A few cleanups found while scanning over the InlineKlass files: * Fix include list and forward declarations * Move non-trivial implementation out of .hpp * Remove copy-n-past functions from InstanceKlass * Remove redundant CDS function overrides * Deduplicate null marker address calculation * Deduplicate allocate_instance * Fix raw casts from oop * Tweak comments
------------- Commit messages: - 8373912: [lworld] Small cleanups to InlineKlass Changes: https://git.openjdk.org/valhalla/pull/1818/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1818&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8373912 Stats: 75 lines in 5 files changed: 25 ins; 38 del; 12 mod Patch: https://git.openjdk.org/valhalla/pull/1818.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1818/head:pull/1818 PR: https://git.openjdk.org/valhalla/pull/1818
